AirHint found the following cheapest return flights from Madrid (MAD) to Los Angeles (LAX) in December 2025 (see full year).

Return flights

26 Dec - 13 Jan	TAP
23 Dec - 30 Dec	Scandinavian Airlines
04 Dec - 11 Dec	Aer Lingus
01 Dec - 13 Dec	British Airways
03 Dec - 11 Dec	Iberia
05 Dec - 10 Dec	Iberia	direct
03 Dec - 12 Dec	Iberia	direct
04 Dec - 12 Dec	Iberia
26 Dec - 18 Jan	British Airways
03 Dec - 14 Dec	Iberia
05 Dec - 11 Dec	Wizz Air Malta
17 Dec - 28 Dec	Iberia
24 Dec - 01 Jan	Iberia
28 Dec - 07 Jan	Scandinavian Airlines
25 Dec - 01 Jan	Iberia
31 Dec - 11 Jan	Delta
24 Dec - 11 Jan	Delta
27 Dec - 07 Jan	TAP
25 Dec - 02 Jan	Iberia
20 Dec - 03 Jan	TAP

Also check the deals for one-way flights from Madrid to Los Angeles in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Madrid to Los Angeles in December from $619

Return flights